Black porous-tip pen on dark ivory paper
Sheet: 18 x 23 5/8 in. (45.7 x 60 cm)
Inscribed at lower right on a masking tape label in black ink: three Japanese characters; below in red and black inks: "Demo[?] 94 P83 / 33% 33%"; in black porous-tip pen: "4 / NORTH + SOUTH TOWERS / OF TRADE CENTER / N. TOWER AT 37 STORYS / 10/19/69 / STEP 4 PROJECT 9"
Gift of the Richard Welling Family
Due to ongoing research, information about this object is subject to change.